Aquatic exerciser



FIG. 1 is a perspective view of an aquatic exerciser showing my new design;

FIG. 2 is an end view elevational thereof;

FIG. 3 is a side elevational view thereof, the side opposite being a mirror image;

FIG. 4 is an end elevational view of the end opposite that shown in FIG. 2;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof shown on a reduced scale. 

The ornamental design for an aquatic exerciser, as shown and described. 